<template>
  <!-- 主体部分 -->
  <section class="main">
    <input
      v-model="isCheckAll"
      id="toggle-all"
      class="toggle-all"
      type="checkbox"
    />
    <label for="toggle-all">Mark all as complete</label>
    <ul class="todo-list">
      <!-- 当任务已完成，可以给 li 加上 completed 类，会让元素加上删除线 -->
      <li
        :class="{ completed: item.isDone }"
        v-for="item in list"
        :key="item.id"
      >
        <div class="view">
          <input
            @change="$emit('changeState', item.id)"
            class="toggle"
            type="checkbox"
            :checked="item.isDone"
          />
          <label>{{ item.name }}</label>
          <button @click="$emit('delTask', item.id)" class="destroy"></button>
        </div>
      </li>
    </ul>
  </section>
</template>

<script>
export default {
  name: "TodoMain",
  props: {
    list: {
      type: Array,
      required: true,
    },
  },
  computed: {
    isCheckAll: {
      get() {
        return this.list.every((item) => item.isDone);
      },
      set(val) {
        this.$emit("isCheck", val);
      },
    },
  },
  data() {
    return {};
  },
};
</script>

<style scoped>
</style>